Particle - のだ - the reason is

This is used when the speaker is explaining something, or asking for an explanation about something. It can be placed directly after a verb or i-adjective. For example: 私は怖いのだ (The reason is I am afraid). When using it after a noun or na-adjective, な is added in between: これは猫なのだ (The reason is that this is a cat).

In conversations のだ is often replaced by んだ. In questions and causal feminine speech its shortened down to just の: これは猫なのか ( Is it that this is a cat? ).

The だ in this particle can be conjugated just as the Informal forms of です. For example: 私は怖いんだった (The reason was because i was afraid).

Sample sentences

Welcome on Miageru

Use this site to look up Kanji, Vocab, Grammar points or even example sentences. We aim to be the main information source for beginner and intermediate Japanese-language learners. We focus on offering the most common japanese vocab, kanji and grammar.

Miageru also brings practicing and information together. Using over 10 different practices and a course-based system you can master any content you want on Miageru for free. This makes Miageru a great tool for self-learners. Read more and start today